Precision Gear Head

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The APEX servo gearbox has been designed for direct attachment to popular servomotors. The power is transmitted from the motor to sun gear. The sun gear drives three planet gears, which are contained within an internal toothed ring gear.

The planet gears are mounted on the planet carrier with double wall supports.



  • Any direction
  • Easy to install
  • High input speed
  • High output torque density
  • Low backlash
  • Maintenance-free
  • Noise reduction
  • Low vibration
  • Long life
  • The excellent resistance


High Precision
High Loading 
High Speed
Low Noise
Long Life-Time
Quick Delivery

APEX is the ONLY ONE manufacturer worldwide who produces rack strictly according to specifications regarding :

Geometrical Tolerance of all Dimensions 
Defined Straightness, Parallelism and Perpendicularity
Helical Angle and Pressure Angle with Tolerance
Defined Surface Roughness of Teeth
Defined Hardness and Thickness of the Hardened Layer on the Teeth. 

APEX is also the ONLY ONE of the world leading brands who designs and produces rack, pinion and gearbox by its own, and provides well coordinated high-quality transmission sets to fulfill different industrial requirements.